Peer Review: Recent submissions
Now showing items 421-440 of 1036
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Pyrolysis-GC/MS study of fast growing wood Macaranga gigantea
(IOP Publishing Ltd., 2019-08-16)Py-GC/MS study on fast growing wood Macaranga gigantea at different temperatures has been conducted. The pyrolysis yields and chemical compounds obtained based on the pyrograms of the biomass by Py-GC analyses were compared ... -
Adsorption of toluene and xylene from aqueous solution on SBA-15 from rice husk
(IOP Publishing Ltd., 2019-08-16)Synthesis of Santa Barbara Amorphous-15 (SBA-15) from rice husk ash (Oryza Sativa L.) as toluene and xylene adsorbents has been performed. SBA-15 was synthesised by the modified surfactant template method. SBA-15 from rice ... -
Slow pyrolysis of fast growing wood Macaranga gigantea
(IOP Publishing Ltd., 2019-08-16)Slow pyrolysis of fast growing wood Macaranga gigantea has been studied. The product yields and chemical composition of products obtained from the experiments under different conditions (temperature, reaction time, sample ... -
Electron transfer study between hydrogen molecules and graphene surface
(IOP Publishing Ltd., 2020-06-30)Electron transfer studies on the interaction of graphene surface and hydrogen (H2) molecules have been carried out. The calculations were based on the Density Functional Theory (DFT) with a basis set of Generalized-Gradi ... -
Characterization of Slow Pyrolysis Products of Macaranga motleyana: Effect of Sample Size
(IOP Publishing Ltd., 2020-06-30)The characterization of biocrude oil produced by slow pyrolysis of fast growing wood Macaranga motleyana has been conducted. Slow pyrolysis was carried out in a fixed bed pyrolysis reactor at 500 oC for 1 hour with a variety ... -
Pembuatan Silika Mesopori Sba-15 Dari Abu Daun Bambu Petung (Dendrocalamus Asper)
(2021-04-16)Invensi ini merupakan pembuatan material silika mesopori SBA-15 dari sumber silika baru yaitu abu daun bambu petung (Dendrocalamus asper). Invensi ini berkaitan dengan metode preparasi abu daun bambu petung yaitu perendaman ... -
UJI ANTIBAKTERI Ag/SBA-15 DARI ABU DAUN BAMBU PETUNG TERHADAP BAKTERI Escherichia coli
(Universitas Mulawarman, 2021-05-30)Antibacterial tests of Ag/SBA-15 from petung bamboo leaf ash against Escherichia coli were carried out. Modification of SBA-15 with Ag was conducted using the wet impregnation method while the antibacterial test was carried ... -
Amine modified mesocellular siliceous foam (MCF) as a sorbent for CO2
(Elsevier, 2011-02-11)Adsorption is considered a promising method for carbon capture. CO2 adsorbents take a variety of forms – but one approach is to fill mesoporous substrates with a polymeric CO2 selective sorbent. SBA-15 and mesocellular ... -
CO2 adsorption by amine modified siliceous mesostructured cellular foam (MCF) in humidified gas
(Elsevier, 2013-11-27)A set of branched and linear polyethyleneimine (PEI) modified mesocellular siliceous foams (MCF) were evaluated as adsorbents for CO2 capture at modestly elevated temperatures under conditions that simulate the vacuum swing ... -
Reactions with CO/H2O of Two Marine Algae and Comparison withReactions under H2 and N2
(American Chemical Society, 2014-04-21)The reactions of a strain of marine alga Chlorococcum sp. and of a polystrain containing a mixture of marine algae with CO/H2O have been studied. The yields and chemical composition of the products obtained from the reactions ... -
Pressurized thermal and hydrothermal decomposition of algae, wood chip residue, and grape marc: A comparative study
(Elsevier Ltd., 2014-08-22)Pressurized thermal decomposition of two marine algae, Pinus radiata chip residue and grape marc using high temperature, high pressure reactions has been studied. The yields and composition of the products obtained from ... -
Thermo-chemical reactions of algae, grape marc and wood chips using a semi-continuous/flow-through system
(Elsevier BV, 2015-06-16)Chlorococcum sp., grape marc, and Pinus radiata have been reacted in a semi-continuous (flow through) system at 425 C under a flow of N2 or H2 and results compared to those from batch autoclave experiments. This paper ... -
Improvement in liquid fuel product quality from reactions of grape marc with CO/H2O
(Elsevier BV, 2015-06-19)Reactions of grape marc with CO/H2O have been investigated over a range of temperatures (320–425 C) with and without added sodium carbonate (Na2CO3) or sodium aluminate (NaAlO2) with a view to optimising liquid fuel quality. ... -
Thermochemical Reactions of Blue Gum and Fossil Wood with CO/H2O: Some Mechanistic Comments
(American Chemical Society, 2015-12-04)Our previous work suggested that liquid product yields from wood, unlike those from other biomass types, were not increased by CO/H2O reaction. Reactions of blue gum (BG) and fossil wood (FW) using high-temperature, ... -
Pyrolysis-GC/MS analysis of biomass and the bio-oils produced from CO/H2O reactions
(Elsevier, 2016-05-22)Py-GC/MS of microalgae (Chlorococcum sp.), grape marc and wood chips (Pinus radiata) and the bio-oils produced from CO/H2O reactions ofthese substrates has been studied. The Py-GC/MS technique provided a more complete ... -
Characterisation of the products of low temperature pyrolysis of Victorian brown coal in a semi-continuous/flow through system
(Elsevier BV, 2018-07-24)Two Victorian brown coal samples, a run-of-mine Loy Yang coal (LY) and a Loy Yang light lithotype (LL), were subjected to pyrolysis at 420–460 °C and 330–460 °C, respectively, under a continuous nitrogen flow. The process ... -
Upgrading Microalgal Biocrude Using NiMo/Al-SBA-15 as a Catalyst
(American Chemical Society, 2020-04-03)Biocrude from Chlorococcum sp. algae was hydrotreated in batch autoclaves in the presence and absence of Al-SBA-15 supports and NiMo/Al-SBA-15 catalysts with different Si/Al ratios and hence different acidities. Reaction ... -
Pyrolysis-Gc/Ms Analysis of Fast Growing Wood Macaranga Species
(Universitas Pendidikan Indonesia, 2021-02-04)Py-GC/MS analysis of six different species of fast growing Macaranga wood has been studied. Flash pyrolysis was conducted at different temperatures (250-850 oC) under a flow of helium followed by GC/MS analysis of the ... -
Kinetic Study of Copyrolysis of the Green Microalgae Botryococcus braunii and Victorian Brown Coal by Thermogravimetric Analysis
(American Chemical Society, 2021-11-18)The copyrolysis of the green microalgae Botryococcus braunii and Victorian brown coal was studied by thermogravimetric analysis using the Kissinger−Akahira−Sunose (KAS), Flynn−Wall−Ozawa (FWO), and Friedman methods. This ...